Evidence for Evolution

Front

A change in the inherited characteristics of an organism over time is

Back

evolution.

Front

The most recent ancestral form or species from which two different species evolved is known as ________________________.

Back

a common ancestor.

Front

Common ancestry relates to evolution because

Back

the more two organisms have in common, the more recent is their common ancestor during their evolution.

Front

Which piece of evolution evidence deals with comparing similar structures in various species? Options: fossil record, comparing embryology, comparing biochemistry, comparing anatomy

Back

comparing anatomy

Front

Why do humans, birds, whales, and lizards have similar arm bones?

Back

They have a common ancestor

Front

Does the presence of homologous structures in genetically different animals suggest common ancestry?

Back

Yes

Front

What type of evidence is shown in the picture above?

Back

Embryology

Front

What shows clear changes in an organism over time, the environment organisms lived in, the time period the organism lived in, and where the organism lived?

Back

Fossils

Front

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
Options: Fossil A and C are the same age
, Fossil B is older than fossil C, Fossils A is older than fossil B, Fossil D is older than fossil C

Back

Fossil D is older than fossil C

Front

A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?

Back

The extinct dinosaur and modern bird share a common ancestor